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Workability behaviour of Fe-C-Mo steel preforms during cold forging

Narayan, Sumesh and Ananthanarayanan, Rajeshkannan and Pandey, K.S. and Shanmugam, S. (2013) Workability behaviour of Fe-C-Mo steel preforms during cold forging. Journal of Iron and Steel Research: International, 20 (9). pp. 126-130. ISSN 1006-706X

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    Abstract

    A systematic method to construct the workability diagram for powder metallurgy (P/M) materials has been proposed. Preforms of Fe-0.8%C, Fe-0.8%C-1%Mo and Fe-0.8%C-2%Mo were prepared to the relative density of 0.86 with two different geometries through primary operations of P/M processes. Each sintered preform was cold upset forged with incremental compressive loading of 0.04MN under three different lubricant conditions till a visible crack appeared at the free surface. Oyane's fracture criterion was used to develop a theory to study P/M products. The least square method was used to determine the constants in fracture criteria and these equations were eventually used to construct workability diagram. It is found that the proposed method was well in agreement with the experimental results.

    Item Type: Journal Article
    Subjects: T Technology > TJ Mechanical engineering and machinery
    Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
    Depositing User: Rajeshkannan Ananthanarayanan
    Date Deposited: 04 Apr 2014 15:49
    Last Modified: 22 Jun 2016 15:21
    URI: http://repository.usp.ac.fj/id/eprint/7312
    UNSPECIFIED

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